ProgramNode(0...43)(
  [:a],
  StatementsNode(0...43)(
    [LocalVariableWriteNode(0...43)(
       :a,
       0,
       InterpolatedStringNode(4...43)(
         (4...12),
         [StringNode(13...37)(
            nil,
            (13...37),
            nil,
            "blah blah\n" + "\tblah blah\n"
          )],
         (37...43)
       ),
       (0...1),
       (2...3)
     )]
  )
)
